Patents by Inventor Tomohiro Kobayashi

Tomohiro Kobayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8252504
    Abstract: A polymer obtained through copolymerization of a monomer having a hexafluoroalcohol pendant whose hydroxyl moiety has been protected and a monomer having an acid labile group is useful as an additive to a photoresist composition for immersion lithography. When processed by immersion lithography, the resist composition exhibits good water repellency and water slip and produces few development defects.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: August 28, 2012
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuji Harada, Jun Hatakeyama, Kazunori Maeda, Tomohiro Kobayashi
  • Publication number: 20120214100
    Abstract: There is disclosed a resist composition, wherein the composition is used in a lithography and comprises at least: a polymer (A) that becomes a base resin whose alkaline-solubility changes by an acid, a photo acid generator (B) generating a sulfonic acid represented by the following general formula (1) by responding to a high energy beam, and a polymer additive (C) represented by the following general formula (2). There can be provided a resist composition showing not only excellent lithography properties but also a high receding contact angle, and in addition, being capable of suppressing a blob defect in both the immersion exposures using and not using a top coat; and a patterning process using the same.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 23, 2012
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tomohiro Kobayashi, Youichi Ohsawa, Yuji Harada, Yuki Suka
  • Publication number: 20120204194
    Abstract: A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup; support pieces projecting from the tooth body toward a lead screw; resin spring pieces extending from the support pieces in a direction orthogonal to the axial direction of the lead screw; a plate part formed in a direction parallel to the axial direction of the lead screw from the resin spring pieces; meshing cogs formed on the plate part on the side near the lead screw; a cover projecting above the lead screw from the plate part disposed above the meshing cogs, straddling the lead screw, and bending sharply downward at the distal end; and a handle projecting from the tooth body.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 9, 2012
    Inventors: Daisuke TAKASAKA, Tetsuya Tamura, Masaki Nakatani, Katsuo Ichinohe, Rikiya Ueshima, Tomohiro Kobayashi, Yoshiyuki Nakagawa, Yasuhide Mizuta
  • Publication number: 20120204195
    Abstract: A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup, two support pieces projecting from the tooth body toward a lead screw, two resin spring pieces provided with a base part on the projecting end of each of the support pieces and extending in a direction orthogonal to the axial direction of the lead screw, a plate part having a base part on the extending ends of the resin spring pieces and formed in a direction parallel to the axial direction of the lead screw, meshing cogs formed on the plate part on the side near the lead screw, and a linking part formed across the space between the resin spring pieces.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 9, 2012
    Inventors: Daisuke Takasaka, Tetsuya Tamura, Masaki Nakatani, Katsuo Ichinohe, Rikiya Ueshima, Tomohiro Kobayashi, Yoshiyuki Nakagawa, Yasuhide Mizuta
  • Publication number: 20120204198
    Abstract: A drive device for an optical disc apparatus, comprising: a traverse chassis; a vertically moving lever arm for covering part of the lower surface of the traverse chassis and supporting the traverse chassis; a first circuit board disposed on the upper surface of the traverse chassis; a second circuit board disposed on the lower surface of the traverse chassis; and a flexible cable that passes between the traverse chassis and the lever arm, is connected by one end thereof to the first circuit board, and is connected by the other end thereof to the second circuit board; wherein an opening that has a greater width than the width of the flexible cable is provided to a section of the lever arm in contact with the flexible cable.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 9, 2012
    Inventors: Daisuke Takasaka, Tetsuya Tamura, Masaki Nakatani, Katsuo Ichinohe, Rikiya Ueshima, Tomohiro Kobayashi, Yoshiyuki Nakagawa, Yasuhido Mizuta
  • Publication number: 20120204196
    Abstract: A drive device for an optical disc apparatus comprising: a lever arm for supporting a traverse chassis while allowing the traverse chassis to be raised and lowered; and a cam slider in cam engagement with the lever arm, the cam slider moving in a direction substantially orthogonal to a movement direction of the lever arm to cause the lever arm to move up and down; wherein the lever arm is provided with a boss projecting toward the cam slider, and a supported part supported by the cam slider in a chucked position of an optical disc; and wherein the cam slider is provided with a groove in engagement with the boss, and a support part for supporting the supported part in the chucked position of the optical disc.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 9, 2012
    Inventors: Daisuke TAKASAKA, Tetsuya Tamura, Masaki Nakatani, Katsuo Ichinohe, Rikiya Ueshima, Tomohiro Kobayashi, Yoshiyuki Nakagawa, Yasuhide Mizuta
  • Publication number: 20120196228
    Abstract: There is disclosed a resist composition comprising at least: (A) a polymer containing one or more repeating units having a structure shown by the following general formula (1) and/or (2), an alkaline-solubility of the polymer being increased by an acid, (B) a photo acid generator generating, with responding to a high energy beam, a sulfonic acid shown by the following general formula (3), and (C) an onium sulfonate shown by the following general formula (4). There can be a resist composition showing not only excellent LWR and pattern profile but also extremely good performance in pattern-fall resistance, and to provide a patterning process using the same.
    Type: Application
    Filed: January 6, 2012
    Publication date: August 2, 2012
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takayuki NAGASAWA, Tomohiro KOBAYASHI, Ryosuke TANIGUCHI, Masaki OHASHI
  • Publication number: 20120196227
    Abstract: A chemically amplified positive resist composition comprises an acid-decomposable keto ester compound of steroid skeleton which is insoluble in alkaline developer, but turns soluble in alkaline developer under the action of acid. The composition is exposed to EB, deep-UV or EUV and developed to form a pattern with a high resolution and improved LER.
    Type: Application
    Filed: January 31, 2012
    Publication date: August 2, 2012
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeru WATANABE, Tomohiro KOBAYASHI, Katsuya TAKEMURA, Jun HATAKEYAMA
  • Publication number: 20120183904
    Abstract: A chemically amplified positive resist composition of better performance can be formulated using a polymer having a quencher incorporated therein, specifically a polymer comprising recurring units having a carbamate structure which is decomposed with an acid to generate an amino group and optionally recurring units having an acid labile group capable of generating a carboxyl and/or hydroxyl group under the action of an acid. The polymer is highly effective for suppressing diffusion of acid and diffuses little itself, and the composition forms a pattern of rectangular profile at a high resolution.
    Type: Application
    Filed: January 13, 2012
    Publication date: July 19, 2012
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masayoshi Sagehashi, Jun Hatakeyama, Takeru Watanabe, Tomohiro Kobayashi
  • Patent number: 8216766
    Abstract: A polymer having a rate of dissolution in an alkaline developer that increases under the action of acid is provided. The polymer is prepared by reacting a hydrogenated ROMP polymer with an O-alkylating agent in the presence of a base.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: July 10, 2012
    Assignees: Shin-Etsu Chemical Co., Ltd., Mitsui Chemicals, Inc.
    Inventors: Takeru Watanabe, Takeshi Kinsho, Tomohiro Kobayashi, Tadahiro Sunaga, Yuichi Okawa, Hirofumi Io
  • Publication number: 20120164577
    Abstract: A positive resist composition includes at least: (A) a polymer containing a repeating unit (a1) and an acid labile repeating unit (a2), wherein the repeating unit (a1) generates an acid of a structure represented by general formula (1) as a result that the repeating unit (a1) is sensed to a high-energy radiation, the polymer being changed in solubility in alkali by the acid; and (B) an onium sulfonate represented by general formula (2). Also, a positive resist composition, which simultaneously establishes a lower acid diffusing characteristic and a higher dissolution contrast, and which suppresses volatilization of components originated from the resist composition such as a generated acid, a quencher, and the like, to suppress a chemical flare, thereby improving a DOF, a circularity, an LWR, and the like of a hole pattern, trench pattern, and the like; and a patterning process using the positive resist composition.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 28, 2012
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryosuke TANIGUCHI, Tomohiro KOBAYASHI, Takayuki NAGASAWA, Masaki OHASHI
  • Publication number: 20120145562
    Abstract: An electrode for superoxide anions which contains a conductive component and, superimposed on a surface thereof, a film resulting from electrolytic polymerization of a metal thiofurylporphyrin/axial ligand complex; and a sensor for measuring a superoxide anion concentration including the same. The electrode for superoxide anions can prevent poisoning by a catalyst poison such as hydrogen peroxide. Accordingly, in any of in vitro or in vivo environments, this electrode for superoxide anions enables detection of superoxide anion radicals without suffering any influence from a catalyst poison such as hydrogen peroxide. Moreover, quantitative assay of superoxide anions can be performed with this electrode for superoxide anion in combination with a counter electrode or a reference electrode. Thus, this electrode for superoxide anions can find wide applicability in various fields.
    Type: Application
    Filed: October 11, 2011
    Publication date: June 14, 2012
    Applicant: Makoto Yuasa
    Inventors: Makoto Yuasa, Kenichi Oyaizu, Aritomo Yamaguchi, Masuhide Ishikawa, Katsuya Eguchi, Tomohiro Kobayashi, Satoshi Tsutsui, Yuujirou Toyoda
  • Publication number: 20120135350
    Abstract: A positive resist composition comprising (A) a polymer comprising recurring units of a specific structure adapted to generate an acid in response to high-energy radiation and acid labile units, the polymer having an alkali solubility that increases under the action of an acid, and (B) a sulfonium salt of a specific structure exhibits a high resolution in forming fine size patterns, typically trench patterns and hole patterns. Lithographic properties of profile, DOF and roughness are improved.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 31, 2012
    Inventors: Tomohiro Kobayashi, Eiji Fukuda, Takayuki Nagasawa, Ryosuke Taniguchi, Youichi Ohsawa, Masayoshi Sagehashi, Yoshio Kawai
  • Publication number: 20120135357
    Abstract: A positive resist composition comprising a polymer comprising recurring units of a specific structure adapted to generate an acid upon exposure to high-energy radiation, recurring units of a lactone ring-containing structure, and acid labile units, all the recurring units being free of hydroxyl, can form a fine size pattern having a rectangular profile and improved collapse resistance.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 31, 2012
    Inventors: Tomohiro KOBAYASHI, Takayuki Nagasawa, Ryosuke Taniguchi, Youichi Ohsawa, Kenji Funatsu, Seiichiro Tachibana
  • Publication number: 20120100486
    Abstract: A sulfonium salt of a naphthyltetrahydrothiophenium cation having a fluoroalkoxy chain with a specific anion is provided. The sulfonium salt is used as a photoacid generator to form a resist composition which when processed by immersion lithography, offers advantages of restrained dissolution in the immersion water and less pattern dependence or dark/bright bias.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 26, 2012
    Inventors: Masayoshi Sagehashi, Youichi Ohsawa, Koji Hasegawa, Takeshi Kinsho, Tomohiro Kobayashi
  • Publication number: 20120077121
    Abstract: Fluoroalcohol compounds of formula (1) are useful in producing polymers which are used as the base resin to formulate radiation-sensitive resist compositions having transparency to radiation having a wavelength of up to 500 nm and improved development characteristics. R1 is hydrogen or a monovalent C1-C20 hydrocarbon group in which any constituent —CH2— moiety may be replaced by —O— or —C(?O)—, Aa is a (k1+1)-valent C1-C20 hydrocarbon or fluorinated hydrocarbon group, and k1 is 1, 2 or 3.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 29, 2012
    Inventors: Koji HASEGAWA, Takeru Watanabe, Tomohiro Kobayashi, Takeshi Kinsho
  • Publication number: 20120052441
    Abstract: An aralkylcarbamate of imidazole base is effective as the quencher. In a chemically amplified positive resist composition comprising the carbamate, deprotection reaction of carbamate takes place by reacting with the acid generated upon exposure to high-energy radiation, whereby the composition changes its basicity before and after exposure, resulting in a pattern profile with advantages including high resolution, rectangular shape, and minimized dark-bright difference.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Inventors: Masayoshi SAGEHASHI, Takeru Watanabe, Tomohiro Kobayashi
  • Publication number: 20120045724
    Abstract: A sulfonium salt of a naphthylsulfonium cation having a hydrophilic phenolic hydroxyl group or ethylene glycol chain with a specific anion is provided. The sulfonium salt is used as a photoacid generator to form a resist composition which when processed by immersion lithography, offers advantages of restrained dissolution in the immersion water and less pattern dependence or dark-bright difference.
    Type: Application
    Filed: August 22, 2011
    Publication date: February 23, 2012
    Inventors: Youichi OHSAWA, Masayoshi SAGEHASHI, Tomohiro KOBAYASHI
  • Patent number: 8120981
    Abstract: A semiconductor integrated circuit device includes a first block, a second block, and a control section. The first block includes a first fuse, a first switching configured to write data to the first fuse, a first holding portion capable of holding a first instruction, and a first instruction portion configured to turn on the first switching when a second instruction is given thereto with the first instruction. The second block includes a second fuse, a second switching configured to write data to the second fuse, a second holding portion capable of holding the first instruction, and a second instruction portion configured to turn on the second switching when the second instruction is given thereto with the first instruction. The control section issues the second instruction at a point in time when the first instruction is held in the first and second holding portions.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: February 21, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tomohiro Kobayashi
  • Patent number: 8083015
    Abstract: A hybrid vehicle which can determine slope ascending and slope descending without using GPS radio waves. The hybrid vehicle includes a control unit determines a slope ascending state or a slope descending state of the vehicle by making use of an inclination sensor which detects an inclination with respect to a horizontal surface in the running direction of the vehicle or a vehicle drive sensor. Alternatively, the control unit obtains slope ascending information or slope descending information of the road by making use of a driver operation panel or a bus location system. The control unit sets a charge rate target value of an energy storage device based on these slope ascending state, slope ascending information, slope descending state, and slope descending information and controls charging to the energy storage device.
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: December 27, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventor: Tomohiro Kobayashi